PCE Instruments PCE-2800, Руководство пользователя

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Table 3
Type of impact device DC(D)/D
L D+15 C G E
Impacting energy
Mass of impact body
11mJ
5.5g/7.2g
11mJ
7.8g
2.7mJ
3.0g
90mJ
20.0g
11mJ
5.5g
Test tip hardness:
Dia. Test tip:
Material of test tip:
1600HV
3mm
Tungsten
carbide
1600HV
3mm
Tungsten
carbide
1600HV
3mm
Tungsten
carbide
1600HV
5mm
Tungsten
carbide
5000HV
3mm
synthetic
diamond
Impact device diameter:
Impact device length:
Impact device weight:
20mm
86(147)/
75mm
50g
20mm
162mm
80g
20mm
141mm
75g
30mm
254mm
250g
20mm
155mm
80g
Max. hardness of sample 940HV 940HV 1000HV 650HB 1200HV
Mean roughness value
of sample surface Ra:
1.6 μ m 1.6 μ m 0.4 μ m 6.3 μ m 1.6 μ m
Min. weight of sample:
Measure directly
Need support firmly
Need coupling tightly
>5kg
2 5kg
0.05 2kg
>5kg
2 5kg
0.05 2kg
>1.5kg
0.5 1.5kg
0.02 0.5kg
>15kg
5 15kg
0.5 5kg
>5kg
2 5kg
0.05 2kg
Min. thickness of
sample Coupling tightly
Min. layer thickness for
surface hardening
5mm
≥ 0.8mm
5mm
≥ 0.8mm
1mm
≥ 0.2mm
10mm
≥ 1.2mm
5mm
≥ 0.8mm
Size of tip indentation
Hardness
300HV
Indentation
diameter
Depth of
indentation 0.54mm
24
μ m
0.54mm
24
μ m
0.38mm
12
μ m
1.03mm
53
μ m
0.54mm
24
μ m
Hardness
600HV Indentation
diameter
Depth of
indentation 0.54mm
17
μ m
0.54mm
17
μ m
0.32mm
8
μ m
0.90mm
41
μ m
0.54mm
17
μ m
Hardness
800HV Indentation
diameter
Depth of
indentation
0.35mm
10
μ m
0.35mm
10
μ m
0.35mm
7
μ m
--
-- 0.35mm
10
μ m
Available type of impact
device
DC: Test
hole or
hollow
cylindrical;
DL:Testslen
der narrow
groove or
hole
D
+15:
Test
groove
or
reentra
nt
surfac
e
C: Test
small,light,
thin parts
and
surface of
hardened
layer
G:
Test
large,
thick,heav
y and
rough
surface
steel
E:
Test
super high
hardness
material